Variable Interest Entities ("VIEs") - Total Risk of Loss Related to Contract Land Deposits (Detail) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure [Abstract]
Contract land deposits	$ 555,136	$ 553,140
Loss reserve on contract land deposits	(53,469)	(57,060)
Contract land deposits, net	501,667	496,080
Contingent obligations in the form of letters of credit	7,929	6,896
Total risk of loss	$ 509,596	$ 502,976